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Uninsured

Data and analysis

The coverage gap exists because some states did not expand Medicaid under the ACA to cover adults under age 65 without dependent children with incomes at/below 138% of the federal poverty level (FPL)

How Many Uninsured Are in the Coverage Gap?

An estimated 1.4 million uninsured individuals in the 10 states without Medicaid expansion, including many working adults, people of color, and those with disabilities, remain in the "coverage gap," ineligible for Medicaid or for ACA tax credits that would make coverage affordable.

The Uninsured and Health Coverage

This Health Policy 101 chapter examines the share of the United States population who are uninsured, highlighting their demographics and the challenges they face because of the lack of coverage.

Key Facts on Health Coverage of Immigrants

This fact sheet provides an overview of health coverage for immigrants based on data from the 2023 KFF/LA Times Survey of Immigrants. As of 2023, half of likely undocumented immigrant adults and one in five lawfully present immigrant adults reported being uninsured.

New and noteworthy

Affordability Is the Issue Now, But Look for the Uninsured to Make a Comeback

A new column on the uninsured from President and CEO Dr. Drew Altman explains: “The uninsured is not the most politically salient problem in health care now, that’s affordability, nor is it the non-problem some say it is. But it’s coming back. And the problem of the chronically ill uninsured is glaring.” Read more.

Key Facts about the Uninsured Population

The number and share of people without insurance grew in 2024, increasing for the first time since 2019, according to KFF’s analysis of data from the American Community Survey (ACS). This issue brief describes trends in health coverage in 2024, examines the characteristics of the uninsured population , and summarizes the access and financial implications of not having coverage.

More on the uninsured population >>

Who was uninsured in 2024?

Latest Polling
9.8%

The share of people under age 65 without insurance
62%

The share of uninsured adults who said they were uninsured because coverage is not affordable
59%

The share of uninsured adults who said they or someone living with them had problems paying for health care
39%

The share of uninsured adults who reported delaying or not getting needed care or medication due to cost
Other key facts about the uninsured >>

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  • Millions of Uninsured Americans are Eligible for Free ACA Health Insurance

    Policy Watch

    Amid the ongoing pandemic and high unemployment, this poste xamines how many uninsured people would be eligible for free health insurance during in a typical year, including those who qualify for Medicaid or for tax credits that cover the full cost of an ACA Marketplace plan.

  • Obamacare and You: If You Are Uninsured…

    Fact Sheet

    The Affordable Care Act, also called Obamacare, creates several new ways to get health coverage. This fact sheet explains how If you are uninsured and not offered health coverage through your job, you may be able to obtain coverage through Medicaid or through a new health insurance marketplace (or exchange) in your state. It is from our Obamacare & You series.

  • Obamacare y Usted: Si no tiene seguro médico

    Fact Sheet

    Obamacare ha creado nuevas maneras de tener cobertura de salud. Si usted no tiene seguro médico a través de su empleador, seguramente pueda obtenerlo a través del nuevo Mercado de los Seguros Médicos (o "intercambio") en su estado. Nuevas opciones de cobertura Llenando una única aplicación, usted aprenderá sobre sus opciones de planes médicos y los costos, y si califica para tener cobertura a través de Medicaid o para recibir un subsidio para comprar un…

  • The Growth of Managed Care: Are Women Getting What They Need?

    Fact Sheet

    How the Changing Health Care Marketplace Affects Coverage and Access to Reproductive Health A fact sheet, Q&A and resource list prepared for a media briefing held in New York on March 27, 1996. The purpose of the briefing was to respond to questions about how reproductive health services are currently delivered in managed care systems and to explore the implications of the growing managed care environment for women's ability to get the reproductive health care…

  • Women’s Health Quiz: Health Coverage and the Affordable Care Act

    Feature

    Health insurance coverage is a critical factor in making health care accessible to women—women with health coverage are more likely to obtain needed preventive, primary, and specialty care services. Test your knowledge of women’s health coverage and the effect of the Affordable Care Act on women with our ten-question quiz.

  • Key Lessons from Medicaid and CHIP for Outreach and Enrollment Under the Affordable Care Act

    Issue Brief

    The Affordable Care Act (ACA) will significantly increase coverage options through an expansion of Medicaid and the creation of new health insurance exchange marketplaces. However, effective outreach and enrollment efforts will be key to ensuring that new coverage opportunities translate into increased coverage. Based on a review of existing research, this brief identifies five key lessons learned through previous Medicaid and CHIP experience to help inform outreach and enrollment under the ACA. The brief is…

  • Quality of Care in Community Health Centers and Factors Associated with Performance

    Issue Brief

    This study examines quality among health centers relative to Medicaid managed care organizations (MCOs). Chronic care quality among health centers is high; gaps in women’s preventive care are a concern. Lower-performing health centers have very high uninsured and homeless rates. The expansion of Medicaid and private insurance under the ACA may foster gains in health center quality performance.